License & Deployment Mix: 10 tools – 4 OSS (2 traditional + 2 AiTM), 1 niche, 5 commercial.

Color: Purple team (red operators run the campaign; blue measures the result).

What Is This Category?

Phishing simulation is the send-the-phish part of the security-awareness loop. A platform ships realistic-looking phishing emails to a chosen user list, tracks click-through / submission / report rates, and (for sophisticated workflows) hands the failing user to an inline training module. Distinct from security-awareness training which is the e-learning catalogue itself.

The category splits between OSS phishing frameworks (for technical / red-team engagements; GoPhish / King Phisher / Evilginx 2 / Modlishka) and commercial awareness platforms that bundle phishing simulation with training, reported-email triage, and just-in-time micro-learning (KnowBe4 / Cofense / Hoxhunt / SoSafe; Microsoft Attack Simulation Training for M365-aligned customers).

Distinct from neighbouring categories

  • Security Awareness Training – Awareness training is the e-learning catalogue; this category is the live phishing- campaign infrastructure. Commercial vendors (KnowBe4 etc.) bundle both, but the two capabilities are distinct.
  • Email Security – Email security blocks real phish at the perimeter; phishing simulation sends fake phish that passes the perimeter for training measurement
  • Breach & Attack Simulation (BAS) – BAS validates whole detection chains; phishing simulation is specifically the human-factor test

The information on these pages was researched by a combination of human review and large language models. To suggest an addition or correction, please contact us. Prepared by Rhodium Systems Inc., author of the ResorsIT platform — a unified IT operations management platform for IT teams and MSPs that integrates a curated suite of open-source, commercial, and SaaS applications into a single system with shared identity, single sign-on, access control, and a common audit trail. Use this catalogue only as a starting point for your own research, and review any tool carefully against your own requirements before relying on it. Catalogue data version 2026.197.

Comparison

Category Overview

Phishing simulation splits along two axes: OSS phishing frameworks for technical / red-team engagements (GoPhish, King Phisher for traditional credential phishing; Evilginx 2 and Modlishka for adversary-in-the-middle MFA-bypass scenarios) and commercial awareness platforms that bundle phishing simulation with training, reported-email triage, and just-in-time micro-learning (KnowBe4, Cofense, Hoxhunt, SoSafe; Microsoft Attack Simulation Training for M365-aligned customers).

Note that the awareness training content side is covered in Security Awareness Training; this category covers the phishing-simulation infrastructure specifically.


Operational Model

What each tool is for.

ToolTraditional PhishAiTMAwareness TrainingJust-in-TimeReported-Email
GoPhishyes
King Phisheryespartial
Evilginx 2yes (first-class)
Modlishkayes
Caido AiTM Pluginpartial
KnowBe4yespartialyes (KMSAT)yesyes (PhishER)
Cofenseyespartialyesyesyes (Triage)
Hoxhuntyes (AI-personalised)yesyesyes
SoSafeyesyesyesyes
Microsoft Attack Simyesyesyesyes (Defender)

License Comparison

ToolLicenseOSIType
GoPhishMITyesOSS framework
King PhisherBSD-3-ClauseyesOSS framework
Evilginx 2BSD-3-ClauseyesOSS AiTM framework (CE)
ModlishkaMITyesOSS AiTM framework
Caido AiTM PluginProprietary (mixed)Caido + community plugin
KnowBe4ProprietaryCommercial SaaS (category leader)
CofenseProprietaryCommercial SaaS
HoxhuntProprietaryCommercial SaaS (European)
SoSafeProprietaryCommercial SaaS (German)
Microsoft Attack SimProprietaryM365 E5 (included)

SSO / OIDC

ToolOIDCSAMLSCIMNotes
GoPhishpluginnonenoneReverse-proxy auth
King PhisherpluginnonenoneReverse-proxy auth
Evilginx 2n/an/an/aHeadless reverse proxy
Modlishkan/an/an/aHeadless reverse proxy
Caido AiTM Pluginn/an/an/aPlugin in operator’s Caido app
KnowBe4paidpaidpaidEnterprise tier
CofensepaidpaidpaidEnterprise tier
HoxhuntpaidpaidpaidEnterprise tier
SoSafepaidpaidpaidEnterprise tier
Microsoft Attack SimnativenativenativeEntra-native (E5)

Deployment Comparison

ToolDeploymentResourcesNotes
GoPhishSingle Go binary / DockerModestSelf-hosted
King PhisherPython server + GTK clientModestSelf-hosted
Evilginx 2Single Go binary on public VPSModest + public domainSelf-hosted; needs reachable VPS
ModlishkaSingle Go binary on public VPSModest + public domainSelf-hosted
Caido AiTM PluginCaido desktop app + pluginWorkstationPer-operator
KnowBe4SaaSVendor-managed
CofenseSaaSVendor-managed
HoxhuntSaaSVendor-managed
SoSafeSaaSVendor-managed
Microsoft Attack SimSaaSMicrosoft 365 native

Composition Patterns

1. OSS-only pentest practice

GoPhish (or King Phisher) -- traditional credential phishing campaigns Evilginx 2 (or Modlishka) -- AiTM MFA-bypass scenarios

Output: full pentest phishing toolkit at zero license cost. Use during authorised engagements only.

2. Commercial managed awareness + simulation

KnowBe4 (or Cofense, Hoxhunt, SoSafe)

Output: combined awareness + simulation + reported- email triage in one platform. Replaces the Security Awareness Training training tier plus this category in one purchase.

3. Microsoft-aligned customer

Microsoft Attack Simulation Training (E5 included)

Output: lowest-friction option for M365-aligned customers. Less feature-rich than dedicated platforms but zero additional cost.

4. Managed hybrid

Hoxhunt or SoSafe -- customer-facing awareness + sim GoPhish + Evilginx 2 -- on-demand red-team / pentest phishing

Output: separation between always-on user-facing training (commercial) and on-demand technical engagement work (OSS).


Cost Tier

Per-user annual TCO.

TierToolingApprox Cost
FreeGoPhish / King Phisher / Evilginx / Modlishka$0 + operator time + VPS hosting
M365 includedAttack Simulation Training(included in E5)
MidKnowBe4 / Cofense / Hoxhunt / SoSafe$20-60 per user / year

Tools

10 tools.

Caido AiTM Plugin

Community AiTM plugin for the Caido web proxy; lightweight alternative to Evilginx / Modlishka for adversary-in-the-middle scenarios; niche.

License: LicenseRef-caido-mixed (source-available) · Kind: cli · Deploy: native · SSO: none

Website

Cofense PhishMe

Commercial phishing simulation + Triage reported-email platform; deep IR heritage; second-largest after KnowBe4.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

Evilginx 2

Open-source reverse-proxy phishing framework for adversary-in-the- middle credential and session-cookie capture; bypasses many MFA controls.

License: BSD-3-Clause (OSS) · Kind: service · Deploy: native, docker · SSO: none

Website · Source

GoPhish

Open-source phishing simulation framework written in Go; single- binary deployment, REST API, the default OSS choice for self-hosted phishing programmes.

License: MIT (OSS) · Kind: web · Deploy: native, docker · SSO: OIDC

Website · Source

Hoxhunt

Newer Finnish commercial phishing-sim platform; AI-personalised phishing + training; gamified user experience.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

King Phisher

Open-source phishing campaign toolkit; Python-based client-server architecture; actively maintained alternative to GoPhish.

License: BSD-3-Clause (OSS) · Kind: web · Deploy: native, docker · SSO: OIDC

Website · Source

KnowBe4 PhishER / KMSAT

Category-leading commercial phishing simulation + awareness training platform; Stu Sjouwerman-founded; massive customer base.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

Microsoft Attack Simulation Training

Microsoft Defender for Office 365 phishing simulation tier; included in E5 licensing; the M365-native option.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

Modlishka

Open-source AiTM phishing reverse-proxy from Piotr Duszynski; predates Evilginx 2; Go-based; popular in red-team training.

License: MIT (OSS) · Kind: service · Deploy: native, docker · SSO: none

Website · Source

SoSafe

German commercial phishing-sim + awareness platform; rapid growth in EU; behavioural-psychology-driven design.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

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